Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 5553731926

Certificate GIA 5553731926

Diamond specifications and retailer prices

From €7,986 EUR
$8,957 USD
As of November 2, 2026
Save €4,888 EUR (38%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €12,874 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553731926. Listed at 9 retailers as of October 30, 2026, with prices from €7,986 to €12,874, a €4,888 spread on the same certified stone. NZ Jewellers lists it at €12,874. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553731926
Dimensions10.94 × 5.98 × 3.80 mm
L/W Ratio1.83
Top View
10.94 mm5.98 mm1.51 ctD / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553731926
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €12,874 EUR|Low: €7,986 EUR|High: €12,981 EUR|Avg: €9,382 EUR|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4€7,986 EUR
Retailer 5€8,006 EUR
Retailer 6€8,069 EUR
Retailer 9€8,556 EUR
Retailer 2€8,641 EUR
Retailer 8€9,237 EUR
Retailer 7€9,379 EUR
Retailer 3€12,064 EUR
NZ Jewellers€12,874 EUR

18 data points across 9 retailers

9 retailers€7,986 EUR to €12,874 EUR

A
Cheapest Retailer
-
€7,986 EUR
$8,957 USD
A
Retailer 2
-
€8,006 EUR
$8,980 USD
View
A
Retailer 3
-
€8,069 EUR
$9,050 USD
View
Retailer 4
-
€8,556 EUR
A$14,764 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
€8,641 EUR
£7,632 GBP
View
B+
Retailer 6
-
€9,237 EUR
$10,360 USD
View
B+
Retailer 7
-
€9,379 EUR
$10,519 USD
View
B+
Retailer 8
-
€12,064 EUR
£10,654 GBP
View
Most Expensive
B
NZ Jewellers
5382c10c-e26f-43bf-a2f9-6991835ace68 · Oct 30
€12,874 EUR
$14,439 USD
View
8 more retailers have this diamond
Prices start from €7,986 EURSave up to €4,888 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Marquise
€7,986 EUR